probability that the combined sample tests positive for the virus? is it unlikely for su person has the virus The probability that the combined sample will test positive is (Round to three decimal places as needed.)

Could you solve the question please

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If I change the alpha level from 0.05 to 0.01     The probability of a Type 1 error goes down     The probability of a Type 2 error goes up     a not b     a and b

(b) What is the probability that a randomly selected car will spend more than 191 seconds in the​ restaurant's drive-through?   The probability that a randomly selected car will spend more than 191 seconds in the​ restaurant's drive-through is______ ​(Round to four decimal places as​ needed.)

Taste 70 Simple Casseroles X Home Quick + Easy Cassero X Taste 24 Biscuit-Topped Ca x Home R RESULTS FOR: floral p x Assignments The probability is (Round to six decimal places as needed.) X Do Homework - REQ: X mylab.pearson.com/Student/PlayerHomework.aspx?homeworkId=641515723&questionId=1&flushed=true&cid=7258550¢erwin=yes b Taste 70 Simple Casse X M Update : In a psychology experiment, the time t, in seconds, that it takes a rat to learn its way through a maze is an exponentially distributed random variable with the probability density funct f(t) = 0.04e¯0.04t, 0≤t<∞o. Find the probability that a rat will learn its way through a maze in 130 sec or less.

A coin is loaded so that the probability of a head occurring on a single toss is 2 In six tosses of the coin, what is the probability of getting all heads or all tails? The probability of all heads or all tails is (Round to three decimal places as needed.)

Not sure on this question.